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Delayed ejaculation
Learn what can cause delayed or absent ejaculation and how it can be treated.
Farsightedness
Do you see distant objects clearly, but develop a blur as they come close? This vision problem, called farsightedness, is easily corrected with prescription lenses.
Iron deficiency in children: Prevention tips for parents
Learn how much of this key mineral your child needs and what the health risks of not getting enough are.
Pacifiers: Are they good for your baby?
Is it OK to offer your baby a pacifier? Know the pros and cons.
Genetic testing
Genetic testing: Learn why it's done, how to prepare and what to expect from diagnostic tests, carrier tests, prenatal tests and newborn screening.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about vitamin D and coronavirus disease 2019 (COVID-19).
Different types of COVID-19 vaccines: How they work
Find out how different COVID-19 vaccines cause your body to create antibodies that will fight the COVID-19 virus.
COVID-19 vaccines for kids: What you need to know
Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.
Retractile testicle
Find out about this condition that allows the testicle to move between the scrotum and groin.
Varicocele
Find out how this condition involving the enlargement of veins in the scrotum can affect sperm quality and production.
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